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1¡¢ÏÂÔØhttp://www.opengl.org/resources/libraries/glut/glutdlls37beta.zip²¢½âѹ£»
2¡¢ÔÚvs2008ÖУ¬°Ñ½âѹÎļþ¼ÐÀïµÄglut.h¸´ÖƵ½ vs2008°²×°Ä¿Â¼\VC\include\Îļþ¼ÐÖУ¬°Ñglut.libºÍglut32.lib¸´ÖƵ½ vs2008°²×°Ä¿Â¼\VC\lib\Îļþ¼ÐÖÐ,°Ñglut.dllºÍglut32.dll¸´ÖƵ½ ϵͳÅÌ\Windows\System32\Îļþ¼ÐÖÐ
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#include "stdafx.h"
#include <glut.h>
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#define pi 3.14159265
int n=0;
int R=200,CX=250,CY=250;
int *point;
void initGraph(void);
void drawCircle(int cx, int cy, int r);
void display(void);
void drawLine(int x1, int y1, int x2, int y2);
void main(int argc, char **argv){
     float w,wi;
     glutInit(&argc,argv);
     glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB) ;
     glutInitWindowSize(500,500);
     glutCreateWindow("n½××êʯͼ°¸");
     initGraph();
     printf("ÇëÊäÈë×êʯͼ°¸ÐÐÊý(×îСֵΪ3):");
     scanf("%u",&n);
     if(n>2){
          point=(int*)malloc(sizeof(int)*n*2);//ÉêÇë´æ´¢¿Õ¼ä
          w=2*pi/n;
          wi=w/2;
          for(int i=0;i<2*n;i+=2){
              point[i]=(int)(CX+R*cos(wi));
              point[i+1]=(int)(CY+R*sin(wi));
              wi+=w;
        }
    }
    glutDisplayFunc(display);
    glutMainLoop();
    if(point


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struct Point{
int x, y;
};
/*Shape*/
/*----------------------------------------------------------------*/
struct Shape {
struct Methods* methods;
};

struct Meth ......

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